Population definition for electoral readjustment restricts constituency changes and temporarily freezes assembly seat redistribution pending a subsequent census publication. Amendment revises Article 170 to define 'population' as that from the last preceding census whose figures have been published, treats a prior census as operative until post census figures are published, authorises the President to set the date when constituency readjustment takes effect, allows elections on existing constituencies until that date, and suspends the necessity to readjust total assembly seats and territorial divisions until the relevant census figures are published.